1 files changed, 125 insertions, 0 deletions
diff --git a/src/freedreno/drm/freedreno_ringbuffer_sp.h b/src/freedreno/drm/freedreno_ringbuffer_sp.h
new file mode 100644
index 00000000000..b24eb016ba7
--- /dev/null
+++ b/src/freedreno/drm/freedreno_ringbuffer_sp.h
@@ -0,0 +1,125 @@
+/*
+ * Copyright (C) 2018 Rob Clark <robclark@freedesktop.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Authors:
+ *    Rob Clark <robclark@freedesktop.org>
+ */
+
+#ifndef FREEDRENO_RINGBUFFER_SP_H_
+#define FREEDRENO_RINGBUFFER_SP_H_
+
+#include <assert.h>
+#include <inttypes.h>
+#include <pthread.h>
+
+#include "util/hash_table.h"
+#include "util/os_file.h"
+#include "util/slab.h"
+
+#include "freedreno_priv.h"
+#include "freedreno_ringbuffer.h"
+
+/* A "softpin" implementation of submit/ringbuffer, which lowers CPU overhead
+ * by avoiding the additional tracking necessary to build cmds/relocs tables
+ * (but still builds a bos table)
+ */
+
+typedef int (*flush_submit_list_fn)(struct list_head *submit_list);
+
+struct fd_submit_sp {
+   struct fd_submit base;
+
+   DECLARE_ARRAY(struct fd_bo *, bos);
+
+   /* maps fd_bo to idx in bos table: */
+   struct hash_table *bo_table;
+
+   struct slab_child_pool ring_pool;
+
+   /* Allow for sub-allocation of stateobj ring buffers (ie. sharing
+    * the same underlying bo)..
+    *
+    * We also rely on previous stateobj having been fully constructed
+    * so we can reclaim extra space at it's end.
+    */
+   struct fd_ringbuffer *suballoc_ring;
+
+   /* Flush args, potentially attached to the last submit in the list
+    * of submits to merge:
+    */
+   int in_fence_fd;
+   struct fd_submit_fence *out_fence;
+
+   /* State for enqueued submits:
+    */
+   struct list_head submit_list;   /* includes this submit as last element */
+
+   /* Used in case out_fence==NULL: */
+   struct util_queue_fence fence;
+
+   flush_submit_list_fn flush_submit_list;
+};
+FD_DEFINE_CAST(fd_submit, fd_submit_sp);
+
+/* for FD_RINGBUFFER_GROWABLE rb's, tracks the 'finalized' cmdstream buffers
+ * and sizes.  Ie. a finalized buffer can have no more commands appended to
+ * it.
+ */
+struct fd_cmd_sp {
+   struct fd_bo *ring_bo;
+   unsigned size;
+};
+
+struct fd_ringbuffer_sp {
+   struct fd_ringbuffer base;
+
+   /* for FD_RINGBUFFER_STREAMING rb's which are sub-allocated */
+   unsigned offset;
+
+   union {
+      /* for _FD_RINGBUFFER_OBJECT case, the array of BOs referenced from
+       * this one
+       */
+      struct {
+         struct fd_pipe *pipe;
+         DECLARE_ARRAY(struct fd_bo *, reloc_bos);
+      };
+      /* for other cases: */
+      struct {
+         struct fd_submit *submit;
+         DECLARE_ARRAY(struct fd_cmd_sp, cmds);
+      };
+   } u;
+
+   struct fd_bo *ring_bo;
+};
+FD_DEFINE_CAST(fd_ringbuffer, fd_ringbuffer_sp);
+
+void fd_pipe_sp_flush(struct fd_pipe *pipe, uint32_t fence);
+uint32_t fd_submit_append_bo(struct fd_submit_sp *submit, struct fd_bo *bo);
+struct fd_submit *fd_submit_sp_new(struct fd_pipe *pipe,
+                                   flush_submit_list_fn flush_submit_list);
+void fd_pipe_sp_ringpool_init(struct fd_pipe *pipe);
+void fd_pipe_sp_ringpool_fini(struct fd_pipe *pipe);
+struct fd_ringbuffer *fd_ringbuffer_sp_new_object(struct fd_pipe *pipe, uint32_t size);
+
+#endif /* FREEDRENO_RINGBUFFER_SP_H_ */